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204351142 = 2102175571
BaseRepresentation
bin11000010111000…
…10011010100110
3112020112010001211
430023202122212
5404303214032
632135542034
75030645632
oct1413423246
9466463054
10204351142
11a5395046
125852a91a
133344b948
141d1d5dc2
1512e18747
hexc2e26a6

204351142 has 4 divisors (see below), whose sum is σ = 306526716. Its totient is φ = 102175570.

The previous prime is 204351131. The next prime is 204351149. The reversal of 204351142 is 241153402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204351149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51087784 + ... + 51087787.

It is an arithmetic number, because the mean of its divisors is an integer number (76631679).

Almost surely, 2204351142 is an apocalyptic number.

204351142 is a deficient number, since it is larger than the sum of its proper divisors (102175574).

204351142 is a wasteful number, since it uses less digits than its factorization.

204351142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102175573.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 204351142 is about 14295.1440006738. The cubic root of 204351142 is about 589.0140979731.

The spelling of 204351142 in words is "two hundred four million, three hundred fifty-one thousand, one hundred forty-two".

Divisors: 1 2 102175571 204351142